Update #1- Final Update-  Vendor believes the issue was caused by cold temperatures. To help rectify the issue the vendor added an additional heater and also changed the configuration of the heaters in the dome in order to try to prevent this issue from occurring again.

Topic:  SARSAT Alaska 4 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued:  March 07, 2024 1549Z

Product(s) or Data Impacted:  SARSAT alert data

Date/Time of Initial Impact:   February 26, 2024 1222Z

Date/Time of Expected End:  March 07, 2024 1252Z

Length of Outage:  10 days and 30 minutes

Details/Specifics of Change: The  Alaska 4  LEO Ground Station is not sending pass solution data. The Lut Vendor is investigating.

Impact: Minor - Dual satellite tracking capability lost. Distress alert detection/reporting timeliness affected.

Contact Information for Further Information: USMCC Operations usmcc@noaa.gov at 301-817-4576

Web Site(s) for Applicable Information: N/A

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